IN STRUC TION MANUA L Laboratory Equipment Pty Ltd email: sales@labec.com.au Ph: 02 9560 2811 • Fax: 02 9560 6131 www.labec.com.
DW-HW50 Ultra Low Temperature Freezer Operation Manual LABORATORY EQUIPMENT PY LTD 26-30 Farr Street Marrickville NSW 2204 Tel:02-95602811
For your personal safety and better performance of this unit, please read this Operation Manual thoroughly and save it properly for future reference. Failure to read, understand and follow the instructions in this manual may result in damage to the unit, injury to operating personnel and poor equipment performance. The material in this manual is for information purposes only. The contents and the product it describes are subject to change without notice.
they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
1.Schematic Picture and Description Door body Body 箱体 Control panel Because the freezer amelioration and the model different. The actual product may not be the same as the photo, Please follow the actual freezer. Series of Ultra-low temperature freezer is designed to store materials under very low temperature condition for hospital, epidemic station, blood bank, research institute, university, biological pharmaceutical industry and gene engineering, etc.
2.Pre-Installation How to transport：Pick up the unit from the bottom of tank and a slant plane within 45° is acceptable. All transportation should be carefully. Remove all wrappers. Check accessories and documents according to package list. Clean the unit thoroughly before any operation. Installing location：Do not position the unit in direct sunlight or near heating diffusers, radiators, or other sources of heat. The ambient temperature should not exceed 32ºC.
supply. The unit can normally start under the voltage varying from 198V to 242V. ② Must provide one single exclusive plug receptacle with credible grounding to unit. ③ Inflammable and explosive materials, as well as high corrosive acid and alkali must be strictly prohibited in cabinet. ④ Keep the key properly avoiding the children take it to open the back door which may result in unexpected injury. ⑤ To avoid cold injury, please place and remove goods with protective gloves.
3 Operation Direction 3.1 Use at the first time Advise to use the warm water and little scour to clean the freezer,and use the water to clean,then dry it. To adjust the freezer at –40ºC，To cnnect the power,The compressor startup after 3minutes.30minutes later，The freezer temperature drop obviously,it mean the refrigeration system is normal.We advise to adjust the temperature at -35ºC at first，After stop the machine,Then set as -40ºC To put the goods in the freezer after the temperature drop.
Notice: Except“F01”can be set normally by customers，Others please not change randomly, will damage the control system. How to display the setting figure: Press “set”2seconds，Will show F01, press again will show the current temperature. Use▲ and ▼to add or reduce the figures. Finally press "RST" to confirm the set temperature. And back out. 1.High temperature alarm: when freezer inside temperature≥set temperature +10 will show “HI" and sound alarm. 2.
4 Defrost Unused ● ● Maintenance ① There will be some frost on the surfaces of chamber for a long time running which may decrease the performance of freezer. If the thickness of frost is more than 10mm, some defrost operations are recommended. ② Disconnect the power supply before defrosting. Wear special protective gloves for any interior operation! Open the door and remove all materials from freezer.
5. After Sales Service Some unexpected failures may arise during running. Please pay attention to the running status of your ULT freezer. If any exceptional case arises, please check and solve it according to the following introductions. If the problem is not solved well, please contact our service center for details. Problem Possible Cause l Power outage has occurred. ULT freezer does not l The plug is bad or not securely plugged-in. operate l Fuse is blown. l Voltage is too low or too high.
6 The main functions The mainly technical parameter Model DW-HW50 Climatic type 6.2 N Storing temperature -10 -86ºC Valid capacity L 50 Rating voltage V 220 I Kind B Type Input power W Refrigeration Size depth width height mm 300 Mixture/240g 600x560x910 Rating frequency HZ The encasement list Item Qty 6.3 The facility safe types Operation Manual 1 Key 2 Defrost shovel 1 The circuit diagram All technical parameters and circuit diagrams are on the unit proper.
